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Problem with moisture causing mildew & odour under your mattress?

We can no longer source Hypervent so have found a very similar product - Mattvent.  It is the most practical prevention of dampness under foam mattress in boats, motorhomes, caravans & even at home.


Extruded three dimensional black mesh. It provides a space for air to pass under your mattress to help prevent condensation or moisture build-up & help with drying.


  • 1370mm wide
  • 7mm from top of wave to bottom
  • Manufactured in the USA
  • Mattvent is fire rated to ASTM E84 Class “A”
  • Mattvent has 90% open space 


"I am doubling the Mattvent under my 3m x 3m outdoor daybed mattress. Because it is so large & heavy, I would like it to have extra space underneath.  I will lay the two layers at 45° to each other."